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Papaya leaf tea and extracts are sold to boost immunity and raise platelet counts, and are shared online as a cancer remedy. Studies in dengue fever suggest they may raise platelets, but there are no studies in people with cancer. Short-term use appears safe; long-term use raised concerns in animal studies.
Papaya (Carica papaya) leaves are made into teas and supplements marketed to enhance the immune system and improve platelet function. Memorial Sloan Kettering's About Herbs summary reports immune, antioxidant, anticancer and antibacterial effects in vitro, higher platelet counts in animal models, and clinical studies suggesting benefit for platelet counts in dengue fever, with larger studies needed. There are no clinical studies in cancer or in chemotherapy-related low platelets. MSK describes papaya leaf juice and extract as appearing safe for short-term use of less than five days, with mild gut upset and rash reported, and advises caution in pregnancy and liver impairment because of toxicity concerns from long-term animal studies. Preclinical studies suggest possible interactions with diabetes medicines, P-glycoprotein substrates and some antibiotics, of unknown clinical relevance.
Leaf extracts are thought to act on platelet production through effects on thrombopoietin and membrane stability in animal studies.
Query for this technology: (TITLE:"Papaya leaf extract" OR ABSTRACT:"Papaya leaf extract") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about Papaya leaf extract, not a curated reading list.
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Shares Unproven diet claims (alkaline, juice, 'anti-cancer' diets), Dietary supplements during cancer treatment: interactions and harms, Evidence-based integrative oncology, Misinformation and unproven therapies and the tags complementary, supportive-care.
Shares Unproven diet claims (alkaline, juice, 'anti-cancer' diets), Dietary supplements during cancer treatment: interactions and harms, Evidence-based integrative oncology, Misinformation and unproven therapies and the tags complementary, supportive-care.
Shares Unproven diet claims (alkaline, juice, 'anti-cancer' diets), Dietary supplements during cancer treatment: interactions and harms, Evidence-based integrative oncology, Misinformation and unproven therapies and the tags complementary, supportive-care.
Shares Unproven diet claims (alkaline, juice, 'anti-cancer' diets), Dietary supplements during cancer treatment: interactions and harms, Evidence-based integrative oncology, Misinformation and unproven therapies and the tags complementary, supportive-care.
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